746674747409 has 2 divisors, whose sum is σ = 746674747410. Its totient is φ = 746674747408.

The previous prime is 746674747339. The next prime is 746674747417. The reversal of 746674747409 is 904747476647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657766416784 + 88908330625 = 811028^2 + 298175^2 .

It is a cyclic number.

It is not a de Polignac number, because 746674747409 - 2²⁰ = 746673698833 is a prime.

It is not a weakly prime, because it can be changed into another prime (746674747459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373337373704 + 373337373705.

It is an arithmetic number, because the mean of its divisors is an integer number (373337373705).

Almost surely, 2^746674747409 is an apocalyptic number.

It is an amenable number.

746674747409 is a deficient number, since it is larger than the sum of its proper divisors (1).

746674747409 is an equidigital number, since it uses as much as digits as its factorization.

746674747409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 199148544, while the sum is 65.

The spelling of 746674747409 in words is "seven hundred forty-six billion, six hundred seventy-four million, seven hundred forty-seven thousand, four hundred nine".